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29993708026709 = 72171031073267113
BaseRepresentation
bin1101101000111011101000…
…10011111111101101010101
310221012101000002020101202022
412310131310103333231111
512412404103223323314
6143442530320222525
76213655021451600
oct664356423775525
9127171002211668
1029993708026709
119614295279429
123444b9416aa45
131397518a2602b
147599bb897337
1537031271a78e
hex1b47744ffb55

29993708026709 has 48 divisors (see below), whose sum is σ = 37650326283648. Its totient is φ = 23737738042368.

The previous prime is 29993708026699. The next prime is 29993708026771. The reversal of 29993708026709 is 90762080739992.

It is a de Polignac number, because none of the positive numbers 2k-29993708026709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29993708022709) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7546937 + ... + 10814049.

It is an arithmetic number, because the mean of its divisors is an integer number (784381797576).

Almost surely, 229993708026709 is an apocalyptic number.

It is an amenable number.

29993708026709 is a deficient number, since it is larger than the sum of its proper divisors (7656618256939).

29993708026709 is a wasteful number, since it uses less digits than its factorization.

29993708026709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267354 (or 3267347 counting only the distinct ones).

The product of its (nonzero) digits is 185177664, while the sum is 71.

The spelling of 29993708026709 in words is "twenty-nine trillion, nine hundred ninety-three billion, seven hundred eight million, twenty-six thousand, seven hundred nine".

Divisors: 1 7 17 49 103 107 119 721 749 833 1751 1819 5047 5243 11021 12257 12733 77147 85799 89131 187357 540029 1311499 3267113 9180493 22869791 55540921 160088537 336512639 349581091 388786447 2355588473 2447067637 2721505129 5720714863 5942878547 16489119311 17129473459 36006852373 40045004041 41600149829 252047966611 280315028287 291201048803 612116490341 1764335766277 4284815432387 29993708026709